  .ivu-table-cell-tree {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 1px solid #dcdee2;
    border-radius: 2px;
    background-color: #fff;
    line-height: 12px;
    cursor: pointer;
    vertical-align: middle;
    transition: color .2s ease-in-out,border-color .2s ease-in-out;
  }
  .ivu-table-cell-tree-level {
    display: inline-block;
    height: 16px;
  }
  .ivu-table-cell-tree-empty {
    cursor: default;
    color: transparent;
    background-color: transparent;
    border-color: transparent;
  }
  /** 表格里操作的按钮 */
  .opera {
    box-shadow: inset 0px 1px 0px 0px #ffffff;
    background: linear-gradient(to bottom, #ededed 5%, #dfdfdf 100%);
    background-color: #ededed;
    border-radius: 6px;
    border: 1px solid #dcdcdc;
    display: inline-block;
    cursor: pointer;
    color: #777777;
    font-family: Arial;
    font-size: 12px;
    font-weight: bold;
    padding: 6px 12px;
    text-decoration: none;
    text-shadow: 0px 1px 0px #ffffff;
    margin-right: 5px;
    line-height: 1;
  }
